Home / 721,544.21-1,082,689.77-523,499.21

Finding the Fourth Proportional to 721,544.21, 1,082,689.77 and 523,499.21

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Solution

The fourth proportional to 721,544.21, 1,082,689.77 and 523,499.21 is: 785,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,544.21 : 1,082,689.77 = 523,499.21 : x
  2. Step 2: Convert to fraction form
    721,544.21/1,082,689.77 = 523,499.21/x
  3. Step 3: Cross multiply
    721,544.21x = 1,082,689.77 × 523,499.21
  4. Step 4: Simplify right side
    721,544.21x = 566,787,233,856.63
  5. Step 5: Solve for x
    x = 566,787,233,856.63/721,544.21
  6. Step 6: Final answer
    x = 785,519.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.